ICQ/即时通讯

开发平台：
Visual C++

ChatClient.cpp：源码内容
							// ChatClient.cpp : Defines the class behaviors for the application.
//
#include "stdafx.h"
#include "ChatClient.h"
#include "MainFrm.h"
#include "ChatClientDoc.h"
#include "ChatClientView.h"
#include "ConnectServerDlg.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CChatClientApp
BEGIN_MESSAGE_MAP(CChatClientApp, CWinApp)
//{{AFX_MSG_MAP(CChatClientApp)
ON_COMMAND(ID_APP_ABOUT, OnAppAbout)
// NOTE - the ClassWizard will add and remove mapping macros here.
//    DO NOT EDIT what you see in these blocks of generated code!
//}}AFX_MSG_MAP
// Standard file based document commands
ON_COMMAND(ID_FILE_NEW, CWinApp::OnFileNew)
ON_COMMAND(ID_FILE_OPEN, CWinApp::OnFileOpen)
// Standard print setup command
ON_COMMAND(ID_FILE_PRINT_SETUP, CWinApp::OnFilePrintSetup)
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CChatClientApp construction
CChatClientApp::CChatClientApp()
{
	// TODO: add construction code here,
	// Place all significant initialization in InitInstance
}
/////////////////////////////////////////////////////////////////////////////
// The one and only CChatClientApp object
CChatClientApp theApp;
/////////////////////////////////////////////////////////////////////////////
// CChatClientApp initialization
BOOL CChatClientApp::InitInstance()
{
	if (!AfxSocketInit())
	{
		AfxMessageBox(IDP_SOCKETS_INIT_FAILED);
		return FALSE;
	}
	if(!AfxInitRichEdit() )
	{
		AfxMessageBox(_T("Error"));
		return FALSE;
	}
	AfxEnableControlContainer();
	
	// Standard initialization
	// If you are not using these features and wish to reduce the size
	//  of your final executable, you should remove from the following
	//  the specific initialization routines you do not need.
	
#ifdef _AFXDLL
	Enable3dControls();			// Call this when using MFC in a shared DLL
#else
	Enable3dControlsStatic();	// Call this when linking to MFC statically
#endif
	
	// Change the registry key under which our settings are stored.
	// TODO: You should modify this string to be something appropriate
	// such as the name of your company or organization.
	SetRegistryKey(_T("Local AppWizard-Generated Applications"));
	
	LoadStdProfileSettings();  // Load standard INI file options (including MRU)
	
	// Register the application's document templates.  Document templates
	//  serve as the connection between documents, frame windows and views.
	
	CSingleDocTemplate* pDocTemplate;
	pDocTemplate = new CSingleDocTemplate(
		IDR_MAINFRAME,
		RUNTIME_CLASS(CChatClientDoc),
	
		RUNTIME_CLASS(CMainFrame),       // main SDI frame window
		NULL);
	AddDocTemplate(pDocTemplate);
	
	// Parse command line for standard shell commands, DDE, file open
	CCommandLineInfo cmdInfo;
	ParseCommandLine(cmdInfo);
	
	// Dispatch commands specified on the command line
	if (!ProcessShellCommand(cmdInfo))
		return FALSE;
	
	// The one and only window has been initialized, so show and update it.
	m_pMainWnd->ShowWindow(SW_HIDE);
	m_pMainWnd->UpdateWindow();
	m_pMainWnd->SetWindowText(_T("QQ-Client"));
	if(!m_skMainSocket.Create())
	{
		AfxMessageBox("端口创建错误");
		return FALSE;
	}
	
	int iTryTimes = 0;
		CString strName;
	if(!IniFile.Create("username.ini",1))
	{
		AfxMessageBox("初始化文件不存在");
		return FALSE;
	}
	CString strServerIp;
	int iServerPort;
	IniFile.GetVarStr("USERNAME","DEFUALTNAME",strName);
	if(!IniFile.GetVarStr("SERVERIP","DEFUALTSERVERIP",strServerIp))
	{
		strServerIp = _T("127.0.0.1");
	}
	if(!IniFile.GetVarInt("SERVERPORT","DEFAULTSERVERPORT",iServerPort))
	{
		iServerPort = 1080;
	}
	while(iTryTimes < 3)
	{
		CConnectServerDlg Dlg(strName,strServerIp,iServerPort);
		
		if(Dlg.DoModal() == IDCANCEL)
			return FALSE;
	
		if(!m_skMainSocket.Connect(Dlg.m_strServerIp,Dlg.m_iServerPort))
		{
			
			if(MessageBox(NULL,"服务器连接错误","重试？",IDRETRY) == IDNO)
			{
			//	ExitInstance();
				return FALSE;
			}
			iTryTimes ++;
		}
		else
		{
			Message msObj;
			msObj.iType = FIRSTLOG;
			msObj.iSubType = FIRSTTIME;
			CString strTemp = Dlg.m_strUserName;
			int iLen = strTemp.GetLength();
			lstrcpy(msObj.strName,_T(strTemp.GetBuffer(iLen)));
			strTemp.ReleaseBuffer();
			m_skMainSocket.Send(&msObj,sizeof(Message));
			m_skMainSocket.SetUserName(strTemp);
			return TRUE;
		}
		if(iTryTimes >=3)
		{
			AfxMessageBox("已经重试3次，退出");
			return FALSE;
		}
	}
	return TRUE;
}
/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About
class CAboutDlg : public CDialog
{
public:
	CAboutDlg();
	
	// Dialog Data
	//{{AFX_DATA(CAboutDlg)
	enum { IDD = IDD_ABOUTBOX };
	//}}AFX_DATA
	
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAboutDlg)
protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL
	
	// Implementation
protected:
	//{{AFX_MSG(CAboutDlg)
	// No message handlers
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};
CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
	//{{AFX_DATA_INIT(CAboutDlg)
	//}}AFX_DATA_INIT
}
void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAboutDlg)
	//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
//{{AFX_MSG_MAP(CAboutDlg)
// No message handlers
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
// App command to run the dialog
void CChatClientApp::OnAppAbout()
{
	CAboutDlg aboutDlg;
	aboutDlg.DoModal();
}
/////////////////////////////////////////////////////////////////////////////
// CChatClientApp message handlers
int CChatClientApp::ExitInstance() 
{
	// TODO: Add your specialized code here and/or call the base class
	Shell_NotifyIcon(NIM_DELETE,&TaskIcon);
	Message msObj;
	memset(&msObj,0,sizeof(Message));
	msObj.iType = USERSESSION;
	msObj.iSubType = USERQUIT;
	CString strTemp = m_skMainSocket.GetUserName();
	int iLen = strTemp.GetLength();
	lstrcpy(msObj.strName,_T(strTemp.GetBuffer(iLen)));
	strTemp.ReleaseBuffer();
	strTemp = m_skMainSocket.GetRoomName();
	iLen = strTemp.GetLength();
	lstrcpy(msObj.strRoom,_T(strTemp.GetBuffer(iLen)));
	strTemp.ReleaseBuffer();
	m_skMainSocket.Send(&msObj,sizeof(Message));
	Sleep(100);
	m_skMainSocket.ShutDown();
	m_skMainSocket.Close();
	return CWinApp::ExitInstance();
}

						